From: John Maddock (jm_at_[hidden])
Date: 2002-09-18 06:18:11
> > The new MPL code is now breaking all of the type traits test programs
> > C++ Builder 6.
> > First off there was a minor problem in integral_c.hpp caused by the
> > IBM C++ fixes (now fixed).
> Yeah, but you broke the old EDG compilers with that fix. Fun, eh? ;-)
> OK, I've checked in a possible fix for that one. Please look at it.
> > However there is a more serious problem in if.hpp caused by the line:
> > BOOST_MPL_AUX_VOID_SPEC(3, if_)
> > The problem here is the nested template inside the if_ class, Builder 6
> > doesn't cope with default template parameters applied to template
> > that are themselves template class members. The fix is to remove the
> > default parameters and make sure that the apply template always gets
> > a full complement of parameters (it's only an implementation detail
> > unfortunately you seem to be using this idiom quite a lot :-(
> > Hoping you can fix this...
> I just checked in a patch based on the precise wording you supply there.
> passes Borland 5.5.1 at least.
> Please let me know if it works.
Yep, it all seems to working OK now, thanks for working on that.
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